package com.tanhua.manage.utils;

import java.util.Date;

public class Retention1dUtil {

    public static Double calRetention1d(Integer numRegistered, Integer numRetention1d) {

        Double registered = Double.valueOf(numRegistered);
        Double retention1d = Double.valueOf(numRetention1d);

        double rel = retention1d / registered;

        return rel;
    }
}
